diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 6ce73e1..edaa082 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -38,10 +38,16 @@ jobs:
           printf '%s\n' "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
           chmod 600 ~/.ssh/id_ed25519
 
+          echo "🔑 密钥信息（不含敏感内容）："
+          head -c 50 ~/.ssh/id_ed25519
+          echo ""
+          wc -l < ~/.ssh/id_ed25519 | xargs echo "密钥行数："
+          grep -c "BEGIN\|END" ~/.ssh/id_ed25519 || echo "⚠️ 未检测到 PEM 头尾标记"
+
           SSH_OPTS="-o StrictHostKeyChecking=accept-new -i ~/.ssh/id_ed25519 -p ${SERVER_PORT}"
 
           echo "📁 确保目标目录存在..."
-          ssh ${SSH_OPTS} "${SERVER_USER}@${SERVER_HOST}" "mkdir -p ${TARGET_DIR}"
+          ssh -v ${SSH_OPTS} "${SERVER_USER}@${SERVER_HOST}" "mkdir -p ${TARGET_DIR}" 2>&1 | tail -20
 
           echo "🚀 开始上传文件..."
           scp -o StrictHostKeyChecking=accept-new -i ~/.ssh/id_ed25519 -P "${SERVER_PORT}" -r \